Macronutrient Calculator Macronutrient Calculator Calories Meals Per Day 2 3 4 5 6 7 8 Common Diet Ratios (Carbs-Pro-Fat) High Carb (USDA: 55-20-25) Low carbohydrate (Atkins: 25-35-40) Moderate carbohydrate (Zone: 40-30-30) Very High Carbohydrate (Ornish: 65-15-20) Very Low Carbohydrate (Ketogenic: 10-30-60) Section % CHO Carbs/day (g) Carbs/meal (g) % Fat Fat/day (g) Fat/meal (g) % Protein Protein/day (g) Protein/meal (g) Calculate If you are human, leave this field blank.